Steam Boiler Types, Construction and Working Principle

Eastman Heavy-Pattern Boiler Drain with MHT Outlet, 1/2 Inch MIP Connection, Brass Plumbing Fitting with Stuffing Box, 48620

Merrill MFG BKDNL50 Irrigation Hose Bibb, Boiler Drain, 1/2" MIP x 3/4" Hose Thread

3/4 inch Brass Hose Bibb, Outdoor Hose Spigot/Faucet For Garden, Patio, Boiler Drain, 3/4 inch NPT Male Thread X 3/4 inch GHT Male Thread